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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* Copyright (C) 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: os.c,v 1.2.12.1 2003/10/15 05:32:16 marka Exp $ */
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#include <config.h>
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#include <rndc/os.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <stdio.h>
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#include <io.h>
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#include <sys/stat.h>
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int
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set_user(FILE *fd, const char *user) {
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return (0);
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}
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/*
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* Note that the error code EOPNOTSUPP does not exist
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* on win32 so we are forced to fall back to using
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* ENOENT for now. WSAEOPNOTSUPP does exist but it
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* should only be used for sockets.
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*/
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FILE *
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safe_create(const char *filename) {
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int fd;
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FILE *f;
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struct stat sb;
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if (stat(filename, &sb) == -1) {
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if (errno != ENOENT)
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return (NULL);
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} else if ((sb.st_mode & S_IFREG) == 0) {
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errno = ENOENT;
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return (NULL);
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}
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fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
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if (fd == -1)
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return (NULL);
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f = fdopen(fd, "w");
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if (f == NULL)
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close(fd);
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return (f);
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}
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